package com.atguigu.gulimall.auth.controller;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.TypeReference;
import com.atguigu.common.constant.AuthServerConstant;
import com.atguigu.common.utils.HttpUtils;
import com.atguigu.common.utils.R;
import com.atguigu.common.vo.MemberRespVo;
import com.atguigu.gulimall.auth.feign.MemberFeignService;
import com.atguigu.gulimall.auth.vo.SocialUser;
import lombok.extern.slf4j.Slf4j;
import org.apache.http.HttpResponse;
import org.apache.http.util.EntityUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;

import javax.servlet.http.HttpSession;
import java.util.HashMap;
import java.util.Map;

@Slf4j
@Controller
public class OauthController {

    @Autowired
    MemberFeignService memberFeignService;


    @GetMapping("/oauth2.0/weibo/success")
    public String weibo(@RequestParam("code") String code,HttpSession session) throws Exception {
        //1. 使用code换取token，换取成功则继续2，否则重定向至登录页
        Map<String,String> header = new HashMap<>();
        Map<String,String> query = new HashMap<>();


        Map<String,String> map = new HashMap<>();
        map.put("client_id", "3766808011");
        map.put("client_secret", "6e9223738ea19cab300be054cdb8f7fb");
        map.put("grant_type", "authorization_code");
        map.put("redirect_uri", "http://auth.gulimall.com/oauth2.0/weibo/success");
        map.put("code", code);
        //1、根据code换取accessToken；发送post请求换取token
        HttpResponse response = HttpUtils.doPost("https://api.weibo.com", "/oauth2/access_token", "post",header, query, map);
        //2、处理
        if (response.getStatusLine().getStatusCode() == 200) {
            //获取到了accessToken
            String json = EntityUtils.toString(response.getEntity());
            SocialUser socialUser = JSON.parseObject(json, SocialUser.class);
            R r = memberFeignService.oauthlogin(socialUser);
            if(r.getCode() == 0){
                MemberRespVo data = r.getData("data", new TypeReference<MemberRespVo>() {
                });
//                log.info("登录成功，用户：{}",data.toString());
                session.setAttribute(AuthServerConstant.LOGIN_USER,data);
                //登录成功就调回首页
                return "redirect:http://gulimall.com";
            }else {
                return "redirect:http://auth.gulimall.com/login.html";
            }


        }else {
            return "redirect:http://auth.gulimall.com/login.html";
        }


    }
}
